• Small and rugged
• No oil or air baths required
• 18° to 28° C operating range
• Six-month stability to 2.5 ppm
• Supplied with temperature characterization

Fluke 742A Resistance Standards are high accuracy working standards for precision, on-site resistance calibration. Their excellent temperature stability allows them to be used from 18°C to 28°C with typically less than 2 ppm degradation.

Using the calibration table supplied with the standards, which lists corrections in 0.5°C increments, this uncertainty can be reduced to near zero. No cumbersome oil or air baths are required.